National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

SR-224 at Meadows Drive (UT224)

Lat: 40.6757°NLon: 111.52115°WElev: 6697.0ft.

light precip

44°F

7°C

Humidity 88%
Wind Speed SE 11 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility 7.65 mi
Wind Chill38°F (3°C)
Last update 25 Dec 03:10 AM MST
Extended Forecast for

Alta UT

Winter Weather Advisory December 26, 11:00am until December 28, 05:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Snow. Steady temperature around 35. South southwest wind around 20 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 35 °F

    Snow

  • Christmas Day

    Christmas Day: Snow showers before 11am, then a chance of snow between 11am and 2pm, then a chance of snow showers after 2pm. Some thunder is also possible. Temperature falling to around 30 by 10am. South southwest wind 17 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F⇓

    Snow Showers
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a steady temperature around 29. South southwest wind 18 to 20 mph, with gusts as high as 43 mph. New snow accumulation of around an inch possible.

    Low: 29 °F

    Chance Snow

  • Friday

    Friday: Snow, mainly before 2pm, then snow showers after 2pm. The snow could be heavy at times. Some thunder is also possible. High near 28. South southwest wind 15 to 20 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 28 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 20. West wind 10 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    Low: 20 °F

    Heavy Snow

  • Saturday

    Saturday: Snow. High near 22. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 22 °F

    Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 6. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 6 °F

    Snow Likely

  • Sunday

    Sunday: A slight chance of snow before 11am. Sunny, with a high near 12.

    High: 12 °F

    Slight Chance
    Snow then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

Detailed Forecast

Overnight
Snow. Steady temperature around 35. South southwest wind around 20 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
Christmas Day
Snow showers before 11am, then a chance of snow between 11am and 2pm, then a chance of snow showers after 2pm. Some thunder is also possible. Temperature falling to around 30 by 10am. South southwest wind 17 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a steady temperature around 29. South southwest wind 18 to 20 mph, with gusts as high as 43 mph. New snow accumulation of around an inch possible.
Friday
Snow, mainly before 2pm, then snow showers after 2pm. The snow could be heavy at times. Some thunder is also possible. High near 28. South southwest wind 15 to 20 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Friday Night
Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 20. West wind 10 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Saturday
Snow. High near 22. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 6. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Sunday
A slight chance of snow before 11am. Sunny, with a high near 12.
Sunday Night
Mostly clear, with a low around 5.
Monday
Sunny, with a high near 17.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
Mostly clear, with a low around 18.
Wednesday
Sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alta UT
 40.56°N 111.63°W (Elev. 10000 ft)
Last Update:
2:04 am MST Dec 25, 2025
Forecast Valid:
4am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation